644012532

素因数分解:

$2^2\times 3^4\times {\mathrm{1987693}}^1$

素因数の和:1987709

約数の個数: 30

約数和(自身を含む): 1683576818

約数和(自身を除く): 1039564286

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1987693, 3975386, 5963079, 7950772, 11926158, 17889237, 23852316, 35778474, 53667711, 71556948, 107335422, 161003133, 214670844, 322006266, 644012532]

約数ペア:

[(1, 644012532), (2, 322006266), (3, 214670844), (4, 161003133), (6, 107335422), (9, 71556948), (12, 53667711), (18, 35778474), (27, 23852316), (36, 17889237), (54, 11926158), (81, 7950772), (108, 5963079), (162, 3975386), (324, 1987693)]